diff --git a/Test-S7/TestMainForm.Designer.cs b/Test-S7/TestMainForm.Designer.cs
index a16dbd78..6a557dd6 100644
--- a/Test-S7/TestMainForm.Designer.cs
+++ b/Test-S7/TestMainForm.Designer.cs
@@ -76,7 +76,7 @@
       // 
       // txtIP
       // 
-      this.txtIP.Location = new System.Drawing.Point(85, 24);
+      this.txtIP.Location = new System.Drawing.Point(85, 23);
       this.txtIP.Name = "txtIP";
       this.txtIP.Size = new System.Drawing.Size(109, 22);
       this.txtIP.TabIndex = 0;
@@ -86,7 +86,7 @@
       // lblIP
       // 
       this.lblIP.AutoSize = true;
-      this.lblIP.Location = new System.Drawing.Point(16, 27);
+      this.lblIP.Location = new System.Drawing.Point(16, 26);
       this.lblIP.Name = "lblIP";
       this.lblIP.Size = new System.Drawing.Size(63, 17);
       this.lblIP.TabIndex = 1;
@@ -120,7 +120,7 @@
       // label2
       // 
       this.label2.AutoSize = true;
-      this.label2.Location = new System.Drawing.Point(9, 24);
+      this.label2.Location = new System.Drawing.Point(9, 23);
       this.label2.Name = "label2";
       this.label2.Size = new System.Drawing.Size(80, 17);
       this.label2.TabIndex = 5;
@@ -128,9 +128,9 @@
       // 
       // txtMemArea
       // 
-      this.txtMemArea.Location = new System.Drawing.Point(143, 21);
+      this.txtMemArea.Location = new System.Drawing.Point(156, 20);
       this.txtMemArea.Name = "txtMemArea";
-      this.txtMemArea.Size = new System.Drawing.Size(130, 22);
+      this.txtMemArea.Size = new System.Drawing.Size(117, 22);
       this.txtMemArea.TabIndex = 4;
       this.txtMemArea.Text = "DB700.DBD0";
       this.txtMemArea.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
@@ -147,9 +147,9 @@
       // 
       // txtMemSize
       // 
-      this.txtMemSize.Location = new System.Drawing.Point(143, 78);
+      this.txtMemSize.Location = new System.Drawing.Point(156, 78);
       this.txtMemSize.Name = "txtMemSize";
-      this.txtMemSize.Size = new System.Drawing.Size(130, 22);
+      this.txtMemSize.Size = new System.Drawing.Size(117, 22);
       this.txtMemSize.TabIndex = 6;
       this.txtMemSize.Text = "208";
       this.txtMemSize.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
@@ -176,7 +176,7 @@
       // 
       // btnReadByte
       // 
-      this.btnReadByte.Location = new System.Drawing.Point(172, 47);
+      this.btnReadByte.Location = new System.Drawing.Point(173, 47);
       this.btnReadByte.Name = "btnReadByte";
       this.btnReadByte.Size = new System.Drawing.Size(101, 25);
       this.btnReadByte.TabIndex = 9;
@@ -189,10 +189,10 @@
       this.textBox1.BackColor = System.Drawing.SystemColors.Menu;
       this.textBox1.BorderStyle = System.Windows.Forms.BorderStyle.None;
       this.textBox1.Font = new System.Drawing.Font("Microsoft Sans Serif", 7F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
-      this.textBox1.Location = new System.Drawing.Point(6, 44);
+      this.textBox1.Location = new System.Drawing.Point(12, 44);
       this.textBox1.Multiline = true;
       this.textBox1.Name = "textBox1";
-      this.textBox1.Size = new System.Drawing.Size(133, 33);
+      this.textBox1.Size = new System.Drawing.Size(127, 33);
       this.textBox1.TabIndex = 8;
       this.textBox1.Text = "Indicare tipo memoria e size del tipo";
       // 
@@ -284,7 +284,7 @@
       // 
       // txtRack
       // 
-      this.txtRack.Location = new System.Drawing.Point(254, 24);
+      this.txtRack.Location = new System.Drawing.Point(254, 23);
       this.txtRack.Name = "txtRack";
       this.txtRack.Size = new System.Drawing.Size(41, 22);
       this.txtRack.TabIndex = 5;
@@ -294,7 +294,7 @@
       // label4
       // 
       this.label4.AutoSize = true;
-      this.label4.Location = new System.Drawing.Point(208, 27);
+      this.label4.Location = new System.Drawing.Point(208, 26);
       this.label4.Name = "label4";
       this.label4.Size = new System.Drawing.Size(40, 17);
       this.label4.TabIndex = 4;
@@ -438,7 +438,7 @@
       this.txtWriteAddr1.Name = "txtWriteAddr1";
       this.txtWriteAddr1.Size = new System.Drawing.Size(123, 22);
       this.txtWriteAddr1.TabIndex = 6;
-      this.txtWriteAddr1.Text = "DB700.DBW160";
+      this.txtWriteAddr1.Text = "DB700.DBD160";
       this.txtWriteAddr1.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
       // 
       // label7
@@ -452,7 +452,7 @@
       // 
       // btnReadWord
       // 
-      this.btnReadWord.Location = new System.Drawing.Point(279, 20);
+      this.btnReadWord.Location = new System.Drawing.Point(279, 19);
       this.btnReadWord.Name = "btnReadWord";
       this.btnReadWord.Size = new System.Drawing.Size(101, 25);
       this.btnReadWord.TabIndex = 10;
diff --git a/Test-S7/TestMainForm.cs b/Test-S7/TestMainForm.cs
index 7d967499..bb379fa5 100644
--- a/Test-S7/TestMainForm.cs
+++ b/Test-S7/TestMainForm.cs
@@ -158,8 +158,8 @@ namespace Test_S7
         string byteValB = "";
         for (int i = 0; i < memByteRead.Length / 2; i++)
         {
-          byteValA = Convert.ToString(memByteRead[i], 2).PadLeft(8, '0');
-          byteValB = Convert.ToString(memByteRead[i + 1], 2).PadLeft(8, '0');
+          byteValA = Convert.ToString(memByteRead[i * 2], 2).PadLeft(8, '0');
+          byteValB = Convert.ToString(memByteRead[i * 2 + 1], 2).PadLeft(8, '0');
           shortVal = S7.Net.Types.Word.FromByteArray(memByteRead.Skip(2 * i).Take(2).ToArray());
           contenuto += string.Format("W{0:000}: {1} | {2}-{3}{4}", i, shortVal, byteValA, byteValB, Environment.NewLine);
         }
@@ -190,10 +190,10 @@ namespace Test_S7
         string byteValD = "";
         for (int i = 0; i < memByteRead.Length / 4; i++)
         {
-          byteValA = Convert.ToString(memByteRead[i], 2).PadLeft(8, '0');
-          byteValB = Convert.ToString(memByteRead[i + 1], 2).PadLeft(8, '0');
-          byteValC = Convert.ToString(memByteRead[i + 2], 2).PadLeft(8, '0');
-          byteValD = Convert.ToString(memByteRead[i + 3], 2).PadLeft(8, '0');
+          byteValA = Convert.ToString(memByteRead[i * 4], 2).PadLeft(8, '0');
+          byteValB = Convert.ToString(memByteRead[i * 4 + 1], 2).PadLeft(8, '0');
+          byteValC = Convert.ToString(memByteRead[i * 4 + 2], 2).PadLeft(8, '0');
+          byteValD = Convert.ToString(memByteRead[i * 4 + 3], 2).PadLeft(8, '0');
           intVal = S7.Net.Types.DWord.FromByteArray(memByteRead.Skip(4 * i).Take(4).ToArray());
           contenuto += string.Format("W{0:000}: {1} | {2}-{3}-{4}-{5}{6}", i, intVal, byteValA, byteValB, byteValC, byteValD, Environment.NewLine);
         }
@@ -324,6 +324,37 @@ namespace Test_S7
       lg.Info(outText);
     }
 
+    /// <summary>
+    /// Esecuzione SCRITTURA DWORD!
+    /// </summary>
+    private void eseguiScritturaDWord()
+    {
+      sw.Restart();
+      if (testCncConn())
+      {
+        // decodifico memoria...
+        memAddress memoria = new memAddress(txtWriteAddr1.Text);
+        uint num2write = 0;
+        uint.TryParse(txtWriteVal1.Text, out num2write);
+        byte[] DB_Byte = new byte[4];
+        S7.Net.Types.DWord.ToByteArray(num2write).CopyTo(DB_Byte, 0);
+        //byte[] DB_Byte = BitConverter.GetBytes(num2write);
+        currPLC.WriteBytes(DataType.DataBlock, memoria.DbNum, memoria.indiceMem, DB_Byte);
+        titolo = string.Format("WRITE BLOCK MEM: {0}", txtWriteAddr1.Text);
+        contenuto = "";
+        contenuto += string.Format("DT: {0} | DbNum: {1} | indiceMem: {2} | num2write: {3}{4}{4}", DataType.DataBlock, memoria.DbNum, memoria.indiceMem, num2write, Environment.NewLine);
+        string byteVal = "";
+        for (int i = 0; i < DB_Byte.Length; i++)
+        {
+          byteVal = Convert.ToString(DB_Byte[i], 2).PadLeft(8, '0');
+          contenuto += string.Format("B{0:000}: {1} | {2}{3}", i, byteVal, DB_Byte[i], Environment.NewLine);
+        }
+        showOut(titolo, contenuto);
+      }
+      sw.Stop();
+      tslRTime.Text = string.Format("{0}", sw.Elapsed);
+    }
+
     /// <summary>
     /// Scrivo memoria tipo NUM
     /// </summary>
@@ -331,25 +362,8 @@ namespace Test_S7
     /// <param name="e"></param>
     private void btnNumWrite_Click(object sender, EventArgs e)
     {
-      if (testCncConn())
-      {
-        // decodifico memoria...
-        memAddress memoria = new memAddress(txtWriteAddr1.Text);
-        int num2write = 0;
-        int.TryParse(txtWriteVal1.Text, out num2write);
-        byte[] outVal = BitConverter.GetBytes(num2write);
-        currPLC.WriteBytes(DataType.DataBlock, memoria.DbNum, memoria.indiceMem, outVal);
-        titolo = string.Format("WRITE BLOCK MEM: {0}", txtWriteAddr1.Text);
-        contenuto = "";
-        contenuto += string.Format("DT: {0} | DbNum: {1} | indiceMem: {2} | num2write: {3}{4}{4}", DataType.DataBlock, memoria.DbNum, memoria.indiceMem, num2write, Environment.NewLine);
-        string byteVal = "";
-        for (int i = 0; i < outVal.Length; i++)
-        {
-          byteVal = Convert.ToString(outVal[i], 2).PadLeft(8, '0');
-          contenuto += string.Format("B{0:000}: {1} | {2}{3}", i, byteVal, outVal[i], Environment.NewLine);
-        }
-        showOut(titolo, contenuto);
-      }
+      setParamPlc();
+      eseguiScritturaDWord();
     }
     /// <summary>
     /// Scrivo memoria tipo STRING